Home / 5,213.53-7,820.63-2,093.12

Finding the Fourth Proportional to 5,213.53, 7,820.63 and 2,093.12

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Solution

The fourth proportional to 5,213.53, 7,820.63 and 2,093.12 is: 3,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.53 : 7,820.63 = 2,093.12 : x
  2. Step 2: Convert to fraction form
    5,213.53/7,820.63 = 2,093.12/x
  3. Step 3: Cross multiply
    5,213.53x = 7,820.63 × 2,093.12
  4. Step 4: Simplify right side
    5,213.53x = 16,369,551.61
  5. Step 5: Solve for x
    x = 16,369,551.61/5,213.53
  6. Step 6: Final answer
    x = 3,139.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.